4. Previously untreated secondary AML (from antecedent hematologic malignancy or following therapy with radiation or chemotherapy for another disease) with no evidence of favorable karyotype defined by presence of t(8;21)(q22;q22) [AML1-ETO], inv16(p13;q22), or t(16;16)(p13;q22) [CBFβ;MYH11] by cytogenetics, FISH, or RT-PCR